Korean Grammar Comparisons

Side-by-side guides for patterns learners often mix up — each page pulls examples from the full grammar lessons.

은/는 vs 이/가

Clear guide to Korean 은/는 vs 이/가: when to mark the topic, when to mark the subject, with examples from both lessons.
-아/어서 (Reason) vs -(으)니까

Compare Korean reason endings -아/어서 and -(으)니까: nuance, politeness, and when each sounds natural.
만 vs 밖에

Learn the difference between Korean 만 and 밖에: both mean “only,” but 밖에 pairs with negatives.
-아/어서 (Sequential) vs -아/어서 (Reason)

Korean -아/어서 can mean sequence (“and then”) or reason (“so/because”). Learn how to tell them apart.
Present Tense (Formal) A/V-(스)ㅂ니다 vs Present Tense (Informal) A/V-어/아요

Compare Korean present tense polite styles: -(스)ㅂ니다 (formal) vs -아/어요 (informal polite).
에게/한테/께 vs 에서~까지 / 부터~까지

Don’t mix up Korean 에게/한테 (to a person) with 까지 (until / as far as). Side-by-side examples included.
-느라고 vs -는 바람에

Compare intermediate Korean reason patterns -느라고 and -는 바람에: inconvenience, unexpected results, and tone.
-지만 vs -기는 하지만 / -기는 -지만

Compare Korean contrast endings -지만 and -기는 하지만 / -긴 하지만 for everyday vs concessive nuance.